Beam status

MCR News

15 October 2026 23:03
    Target 2 beam is back on. Target 1 is off as we have a klixon fault on a
    downstream EPB1 magnet. We are consulting with Our Mechanical Engineers
    and Machine Physicists to see if we can find a solution


15 October 2026 21:47
    Our equipment specialist is on site investigating the EPB2 power supply
    fault. Update when we have more information.


15 October 2026 21:06
    We have a failed power supply on EPB2. We have done a mode change to run
    to TS1 only whilst we investigate. We will update TS2 users when we have
    more information.


15 October 2026 12:52
    Beam back on @12:50


15 October 2026 12:27
    Works continue on the RF system PSU. Update @ 12:45


15 October 2026 11:45
    All but one of the RF systems are back on and working. Experts are
    currently repairing a PSU in the RF system.
    Update @ 12:15


15 October 2026 11:10
    There is currently a issue with the RF systems control. Experts are
    investigating.
    Update @ 11:45


15 October 2026 09:13
    The issue with the Target 2 shutter control system has been resolved.


15 October 2026 08:48
    There is an issue with Target 2 shutter control system. Expert on route to
    investigate. Update @ 09:30


14 October 2026 02:34
    Beam ON


14 October 2026 02:07
    A power supply has gone faulty in one of the linac modulators. Crew are
    just in the process of changing it. Update at 02:45.


12 October 2026 05:31
    Beam ON


12 October 2026 05:24
    We are experiencing an issue with one of the TS1 RGA's and we are in
    contact with the on-call equipment expert regarding this.
    
    Update @ 06:00.


09 October 2026 23:10
    Beam ON


09 October 2026 22:46
    The Linac modulator is back on but we are having issues controlling the
    tank phase. Beam is expected to be intermittent whilst experts investigate
    the cause of this.


09 October 2026 21:33
    BEAM OFF - Equipment experts are working on a fault with one of the Linac
    modulators. The issue is expected to be fixed shortly.


09 October 2026 17:29
    Beam on.


09 October 2026 16:45
    The Ion Source has been fitted and is running. Machine Physicists are in
    attendance setting up the Injector. Update at 17:30


09 October 2026 14:34
    The outcome of the investigation is that the ion source will need to be
    replaced. This is expected to take approximately 3 hours.


09 October 2026 14:28
    We are currently experiencing an issue with the ion source. An expert is 
    investigating the issue, and a further update will be provided shortly.


09 October 2026 09:26
    Intermittent beam whilst we address issues with Injector Intensity trips.


09 October 2026 09:18
    Beam on to both Target Stations.


09 October 2026 08:30
    The Ion source has been run up. Once the Injector has been run up we will
    need some time for machine set up. Update at 09:15.


09 October 2026 07:42
    The Ion source has been replaced and one of our Ion source specialists is
    currently running it up. If all goes well we will need some time for
    machine set up. Update on progress at 08:30 Hours.


09 October 2026 05:59
    The ion source will be replaced. An update will be provided at 7:30 AM.


09 October 2026 05:53
    We are currently experiencing an issue with the ion source, which is under
    investigation by a specialist. I will update shortly of the result


08 October 2026 23:26
    Issues resolved, Beam back on at 23:00


08 October 2026 22:51
    Machine update:-
    
    We are suffering with high injection losses. Machine specialists are
    investigating. Update at midnight.


08 October 2026 08:38
    Our equipment specialist is still diagnosing the fault with TS1 RGA's.
    Update at 09:30 Hours.


08 October 2026 07:49
    We are waiting for an update from our equipment specialist about the comms
    issues with Target Station 1 RGA. Both RGA's are currently holding us off
    with machine interlocks. Beam will continue running to TS2 whilst
    investigations continue. Update at 08:30 Hours.


08 October 2026 06:51
    There is an issue with one of the Target 1 systems. Expert on route to
    investigate. Beam has been switched to Target 2 only running for now.
    Update @ 07:45


07 October 2026 14:31
    We are experiencing controls issues that may affect beam line instruments.
    Controls experts are working on the system and estimate that this will be
    resolved by 15:00hrs.


07 October 2026 08:55
    User Coffee and Cake: 3:00pm today, TS2 Foyer. All welcome!


06 October 2026 15:03
    Beam Off - We are experiencing an issue with water flow in the Linac.
    Equipment experts are investigating the cause of this. We are hoping this
    issue will be resolved quickly and beam should be back on shortly.


04 October 2026 17:55
    Machine update:-
    
    Beam restored to both target stations at 17:35hrs.


04 October 2026 17:14
    Machine update:-
    
    We have a problem with the Extract Septum magnet continually tripping on
    over temperature. We have consulted with experts and they are on route to
    assist with repairs. Next update 18:00hrs.


04 October 2026 04:11
    We have resolved the waterflow issue. We now have an issue with one of the
    kicker power supplies. Update at 05:30.


04 October 2026 03:17
    We are currently experiencing a water flow issue on the extract septum
    magnet circuit. Investigations are underway. Update at 04:00 hrs


02 October 2026 15:33
    BEAM ON to both targets


02 October 2026 15:04
    Machine update:-
    
    Machine reconfigured to run to TS2 only while the issue with Intermediate
    target is addressed.


02 October 2026 14:24
    Machine update:-
    
    BEAM OFF - We currently have an interlock issue on the Intermediate target
    - Experts investigating - Update at 15:00


02 October 2026 07:58
    Machine update:-
    
    Beam back on to both target stations.


02 October 2026 07:56
    MAchine update:-
    
    Unfortunately we had a problem with the charge change on Target 2, which
    held ISIS off with machine interlocks. Beam was re-established to Target 1
    whilst repairs were made. The fault has now been rectified, and we will be
    converting back to beam to both Targets momentarily.


02 October 2026 07:07
    We are now investigating a problem with Target 2 interlocks. Update at
    07:30.


02 October 2026 06:24
    Our Physicists are still working on the machine setup issues. Update at
    07:15 Hours.


02 October 2026 05:18
    We are still having set up problems. One of our Machine Physicists is
    working on injector setup. Update at 06:00 Hours.


02 October 2026 04:49
    All equipment is operational. We are having a few issues with machine
    setup. Update at 05:30 Hours.


02 October 2026 03:40
    The Ion source is running. We are in the process of locking up and running
    up the Injector. Once we confirm the Ion source output is good we will do
    some machine setup before restoring beam. Update at 04:30 Hours.


02 October 2026 01:56
    The Ion source has been removed and there was a partial blockage which has
    been cleaned. We now have an issue with vacuum and are waiting for a
    specialist to arrive. Once this is resolved the Source can be refitted and
    run up. Update when we have more information.


02 October 2026 00:08
    We have a problem with the Ion Source which appears to have a partial
    blockage. An equipment specialist is coming in to assist with removal and
    cleaning (or replacement). This normally takes around 3 Hours. Update at
    04:00 Hours.


30 September 2026 14:26
    MS beam restored to both target stations.


30 September 2026 08:30
    Beam off for the start of maintenance day.


26 September 2026 23:22
    Beam back on @23:00 slightly lower than before Ion Source issue. Tuning
    will continue.


26 September 2026 22:44
    Setup is progressing slowly. Having slight diags issue while setting up.
    Update @23:30


26 September 2026 21:12
    Ion source is now up and running well. Currently working on the setup of
    the machine.
    Update @22:30


26 September 2026 18:49
    The equipment expert found a small blockage in the ion source and decided
    it was best to replace it for a new one. The replacement ion source is now
    being run up. Once this is done machine set up operations can begin.
    
    Update @ 21:00.


26 September 2026 17:03
    The equipment expert has fixed the issue with the ion source hydrogen flow
    and the ion source was run up again. However, the output was too low. The